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1、Unit 4 Amazing Science Topic 1 When was it invented ?,Section D,代夸青舶艾答秃缔炸晃唱玖肢账组发蜡宏庞嗓仙请胳补柴笺末汀钎翁唾冻Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),Whats it used for? Its used for listening to music. Whats it made of? Its made of plastic. Where was it invented? It was invented in Korea. When was it inven
2、ted? It was invented in 1998.,诈磷傲辞凉宿闹弹侧慨猛目粮沸伪徊号椰就逛亡焊卡芒在咖袱烫仟堕囤珊Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),Whats it used for? Its used for communicating easily. Whats it made of? Its made of plastic and metal. Where was it invented? It was invented in America. When was it invented? It was invented
3、 in 1973.,中凯挞腺拎控父樟伟前隙状伺殴继骗骸霍寺减鸯梢色豪鹅剥蓖面疟量醚稽Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),What method did you use to find your lost cellphone?,GPS is like a man-made star. We can use it at any time, in any place and in any weather to find out our position. The early explorers used the stars as landma
4、rks to know where they were and in which direction they were going. This method worked well at night as long as the weather was good. But it didnt work so well during the rest of the time.,Lets use the GPS.,n.探险者， 勘探者,春即芝是裔烬撬侵党承轮措挠拘札澜霓烂膝粳地道敌胆求坊陵恼兑松睡皿Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),1.
5、How did the early explorers know where they were? They found out where they were by using stars. 2. Whats the disadvantage of using the stars as guiding marks? Its disadvantage is that it didnt work well when the weather was bad and the stars could not be seen. 3. What is a GPS? Is it useful to use?
6、 It is like a man-made star. We can use it at any time, in any place and in any weather to find out our position. It is very useful. 4. What do you think the GPS will be used for in the future? ,Read the passage and discuss the questions on Page88.,氦蛮钡烯邀倔凌省亢预檄渝叼腹绝笼掣勃贝蹦唱撂儡雌裔比固抄舵铣耙亡Unit4Topic1SectionD
7、 (2)Unit4Topic1SectionD (2),Key words,explore explorer, mark find out, indirection work well, as long as the rest of the time solve, like, use, the shape of great invention,n.标示，记号，符号 v.做记号，做标记,Retell it !,拍喜苏殖褂浙饲佳天苦印蛙而站里局居栅样叹甜封哪伶篮么郸耙莎拌绒掀Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),根据首字母提示，完成短文。 T
8、hanks to GPS, we can exactly know w _we are now. GPS is like a man-made “star”. It can be u_ in any place and any weather condition to find out our p_. In the past, the early explorers had to use stars in the s_ to tell them where they were, however, this method didnt work well when the weather was
9、bad. So GPS is a great invention that can help humans to better e_ our planets.,here,osition,sed,ky,xplore,Exercise,赌疆煤岁厂榨肖措么迎景辆牌库怔抬碴沫苯函肉处代藤钡浩无雹眨醛引爷Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),Grammar,Passive Voice (),The radio was invented by Guglielmo Marconi in 1895.,When was the digital camera
10、 developed ? Where was it developed? What is a rocket used for?,It was developed in the 1970s. It was developed in Japan. It is used for sending satellites or spaceships into space.,倔驻凝筒宙胚材钢遂抒司记脱发税慧漾潭诌长漏沥磁终肖咖籍盲曝肌襄秒Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),Functions,脉歇庶趣疼关雍涣戚份未尖眠誓建烘寝堑起羽谅踞贼督见廉篷案全
11、取挤塑Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),Passive voice was /were +done ( ) 1. A big supermarket _in our city last year. A. is built B. were built C. was built ( ) 2.Could you tell me who the radio _ by? A. invents B. invented C. was invented ( ) 3. Many trees and flowers _ in our school las
12、t year. They made our school more beautiful. A. have planted B. were planted C. planted ( ) 4.The children _ swim last month and they can swim very well now. A. are taught B. were taught C. were taught to ( ) 5.It is said that potato chips _by mistake about one hundred years ago. A. were invented B.
13、 invented C. are invented,C,B,C,A,C,Grammar exercise,鞠椎帅香瘟盖眼县穆才色告煽人贵懦输既峪确峰勘少例迹您督追还悄驴皿Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),1.You are late, all the tickets _(sell) out an hour ago. 2.This type of cellphone _(make )in Shenzhen. 3. I _ ( not invite) to yesterdays party. 4. _ those machines _(c
14、heck) this morning? 5. Many trees and flowers _(plant) in our school last year, and they made our school a beautiful garden.,were sold,were made,were/was + v.的过去分词,Exercises,wasnt invited,Were,checked,were planted,孝同济讨晤个踏矗攒党矩澳苔弟蕉像貉聚一塌靳仿畅欧墩骂坊亩琢婪恭敢Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),1.Peopl
15、e use radios to learn English in the past. _ 2.Jack will show me the photo. _ 3.They have raised much money for the Project Hope. _ 4.I often hear Mary sing English songs at home. _ 5.We mustnt throw litter about. _ 6.People can visit planets like Mars. _,Radios were used to learn English in the pas
16、t.,The photo will be shown to me.,Much money has been raised for the Project Hope.,Mary is often heard to sing English songs at home.,Litter mustnt be thrown about.,Planets like Mars can be visited.,Change the following sentences into Passive Voice.,绷食饰盾直疑窟慧啮藐吸墅碍认沂坦踢借晾凄款尧括牙酬炭鞘桅酸酚亦涡Unit4Topic1Section
17、D (2)Unit4Topic1SectionD (2),( ) 1.Hurry up, you _ on the phone. A. Wanted B. was wanted C. are wanted ( ) 2. Some stories _the children by the teacher everyday. A. is told for B. are told for C. are told to ( ) 3._that he has studied abroad for five years. A. It is said B. It says C. That is said (
18、 ) 4.The window _ five minutes ago. A. is cleaned B. was cleaned C. can be cleaned ( ) 5.The children _by the teachers at school. A. take care of B. are taken care C. are taken care of,C,C,A,B,C,Choose the best answer.,沦啼窖凡届岿摧气技扩推撕院崇钉袖猜祈粳子且祖岔证蹈怪亨膝丈楔辽苯Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),(
19、) 6. I have no idea what _while I was asleep. A. happened B. was happened C. happens ( ) 7. In some countries, tea _before meals. A. is serving B. is served C. served ( ) 8. This kind of books _well. A. doesnt sell B. isnt selling C. arent sold. ( ) 9. I _ten minutes to decide which sentence was rig
20、ht by the teacher. A. gave B. was given C. was giving ( ) 10. Teachers _in every part of the world. A. are needing B. are needed C. will need,A,B,A,B,B,Practice makes perfect.,总益崇撇硷贸栗釜讥弱蟹僚茄峪荐蛋冕吓盏峙衰菏坟嗓搞纹协描刮墩臆遗Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),Project (1),This is Kangkangs invention. Look
21、 at the information and the picture. What do you think of it ? Discuss with your partners.,汤隋达丢扯哥帧羹茵藤垫矫罚短财摩敷宛喻漳七钾甄隙喊刷院果拙浓蒜贬Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),2. Design your own invention. Draw a picture of it and write down the information about it.,Project （2） Describing Your Invention,
22、3. Show the picture of your invention and describe it to the class. 4. Discuss in groups to decide which is the most useful /interesting/funny invention.,摊签郝贷岳蔽犁潦锅肤绦吊砷艺筐蓑熔雨躲嘱插持硅欧冤宴茂壮班孪迷千Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),We Learn: 1. Some words : mark, explorer 2. Some phrases: find out,
23、 in , direction, as long as, work well, the rest of the time, be used to, the shape of 3. Some sentences: This method worked well at night as long as the weather was good and the stars could be seen. We can: 1. Use the passive voice of the simple past tense more properly. 2.Talk about new technology
24、 GPS. 3. Develope our imagination and creativity by designing our own inventions.,Summary,杀异愚阂只悬雷鼠观驶苞咎舌舷禾姥叮咋渔痉芯系健先爸候蛹册衅洞雨恍Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),Read 1a. Memorize the useful expressions and key sentences that we learn in this topic. Finish Section D in your workbook. Preview Section A of Topic 2.,Assignment,咏信哨滋呵骡矾弟衣冕酚锐址何钳茎焙剑非纹顷任涯霓阂揭回剂它燎拘垣Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),Thank you,踩述歇撂签慈债白唾甫酗问筑降琢抱游寥藤寻瞅粘悯涝震髓火坏实诸畏碌Unit4Topic1SectionD (2)Unit4Topic1SectionD (2),